Help keep hot exhaust gas out of your air injection system with the Standard Ignition AV12 Air Pump Check Valve / Air Cleaner Check Valve. It is a direct-fit replacement for the listed applications, including the 1975-1996 Ford F-150 [V8-5.0L], 1980-1996 Ford Bronco [V8-5.0L], 1982-1995 Ford Mustang [V8-5.0L] and 1982-1990 Lincoln Town Car. Catalog position: right.
The check valve lets air from the secondary air injection pump pass in one direction and blocks exhaust gas from flowing back toward the pump and hoses. This part is listed under both names, air pump check valve and air cleaner check valve.
Specifications: 3/4 x 14 NPT thread size · Quantity per application: 1 · Country of origin: Mexico.
Signs this part may need replacing: burnt or melted air injection hoses, exhaust noise or odor near the air pump plumbing, or an air pump damaged by exhaust backflow. If a failed check valve is the cause, this part replaces it. Diagnose the system before replacing parts.
This valve also fits many more Ford, Lincoln and Mercury applications. See the Buyer's Guide tab for the full list.
Interchange: 2-29005 · 3-29005 · 779-2922
229005 · 329005 · 7792922 · CV13 · DVVB10023 · C6AE9A487D · C6AZ9A487A · CX1327 · CX1373 · D4DE9A487AA · D4DE9A487AB · D4DZ12A170A · D4DZ9A487A · D4DZ9A487B · D4VE9A487AA · D4VE9A487AB · D4VY9A487A · E9VE9A487AB · E9VZ9A487A · 12323876
This part cross-references / interchanges with the following part numbers:
What does the AV12 check valve do?
It lets air from the secondary air injection pump flow in one direction and blocks exhaust gas from flowing back toward the pump and hoses.
Why is it listed as both an air pump check valve and an air cleaner check valve?
The part type is air pump check valve, and Standard Ignition's description calls it an air cleaner check valve. Both names refer to the same part, the AV12.
Which vehicles does the AV12 fit?
It fits listed applications including the 1975-1996 Ford F-150 [V8-5.0L] and the 1982-1995 Ford Mustang [V8-5.0L]. See the Buyer's Guide tab for all 510 applications.
What thread size is the AV12?
The AV12 has a 3/4 x 14 NPT thread size. The listed applications use one valve per application.
What kind of check valve does it use, and is it tested?
It uses a fluoroelastomer check valve built to withstand extreme exhaust gas temperatures. Every unit undergoes 100% end-of-line testing for proper flow and low leak performance.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
